2020-2025
From January 2018 to December 2024, 75% of Lassa fever confirmed cases were from Ondo (33%), Edo (31%) and Bauchi (11%).
In 2025, as of epi week 13, 87% of LF cases are from Ondo (30%), Bauchi (25%), Edo (16%), and Taraba (16%) States.
Total confirmed cases: 659
Deaths from Confirmed Cases: 122
Case Fatality Ratio: 19%
Number of Health Care Workers: 20
| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 1071 | 195 | 25 | 13% | ||||
| 2024 | 1106 | 192 | 13 | 7% | ||||
| 2023 | 1104 | 269 | 30 | 11% | ||||
| 2022 | 643 | 194 | 34 | 18% | ||||
| 2021 | 283 | 64 | 18 | 28% | ||||
| 2020 | 475 | 305 | 43 | 14% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 690 | 166 | 12 | 7% | ||||
| 2024 | 604 | 127 | 28 | 22% | ||||
| 2023 | 612 | 94 | 17 | 18% | ||||
| 2022 | 598 | 104 | 12 | 12% | ||||
| 2021 | 39 | 7 | 2 | 29% | ||||
| 2020 | 259 | 42 | 18 | 43% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 1149 | 105 | 16 | 15% | ||||
| 2024 | 1236 | 179 | 23 | 13% | ||||
| 2023 | 1499 | 243 | 31 | 13% | ||||
| 2022 | 1166 | 167 | 21 | 13% | ||||
| 2021 | 888 | 102 | 12 | 12% | ||||
| 2020 | 1049 | 309 | 39 | 13% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 260 | 105 | 31 | 30% | ||||
| 2024 | 196 | 95 | 20 | 21% | ||||
| 2023 | 223 | 79 | 26 | 33% | ||||
| 2022 | 74 | 29 | 14 | 48% | ||||
| 2021 | 47 | 18 | 11 | 61% | ||||
| 2020 | 94 | 55 | 21 | 38% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 104 | 20 | 9 | 45% | ||||
| 2024 | 223 | 43 | 24 | 56% | ||||
| 2023 | 173 | 50 | 28 | 56% | ||||
| 2022 | 186 | 37 | 17 | 46% | ||||
| 2021 | 79 | 15 | 6 | 40% | ||||
| 2020 | 176 | 72 | 20 | 28% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 64 | 15 | 4 | 27% | ||||
| 2024 | 102 | 28 | 2 | 7% | ||||
| 2023 | 35 | 11 | 1 | 9% | ||||
| 2022 | 99 | 38 | 7 | 18% | ||||
| 2021 | 5 | 1 | 0 | 0% | ||||
| 2020 | 79 | 34 | 8 | 24% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 58 | 12 | 6 | 50% | ||||
| 2024 | 25 | 3 | 1 | 33% | ||||
| 2023 | 30 | 6 | 0 | 0% | ||||
| 2022 | 106 | 15 | 6 | 40% | ||||
| 2021 | 3 | 0 | 0 | – | ||||
| 2020 | 27 | 7 | 2 | 29% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 61 | 9 | 4 | 44% | ||||
| 2024 | 1027 | 62 | 11 | 18% | ||||
| 2023 | 134 | 36 | 3 | 8% | ||||
| 2022 | 188 | 30 | 8 | 27% | ||||
| 2021 | 13 | 3 | 0 | 0% | ||||
| 2020 | 27 | 8 | 3 | 38% | ||||
Source: NCDC |
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Any questions or suggestions? Contact us: Anaïs Legand and Antoine Chaillon
As of 2025, week 13